19909994 is an even 8-digits composite number following 19909993
and preceding 19909995 . In scientific notation, it is written as 1.9909994 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 9160128 positive integers (up to 19909994) that are relatively prime to 19909994.
19909994 has 16 divisors, whose sum is 32264232
The reverse of 19909994 is 49990991
Previous prime number is 2053
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred nine thousand nine hundred ninety-four
Scientific notation
1.9909994 × 10^7
Engineering notation
1.9909994 × 10^6
Prime Factorization
2 × 13 × 2053 × 373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19909994
Product of the distinct prime numbers
The prime factorization of 19909994 is 2 × 13 × 2053 × 373.
Since it has a total of 4 prime factors.
1 , 4 , 76 , 3 , 137 , 26 , 6659 , 3664 , 32747 , 57090 , 885588 , 376378 , 4866024 , 4718462 , 47631587 , 73961400 , 389228973 , 599536657 , 1311277144 , 9589473016
n×2
39819988
n×3
59729982
n×4
79639976
n×5
99549970
n÷2
9954997
n÷3
6636664.6666667
n÷3
4977498.5
n÷5
3981998.8
n2
396407861080036
n3
7.8924781356563E+21
n4
1.5713919232605E+29
n5
3.1286403763765E+36
2 √n
4462.0616311297
3 √n
271.03395951566
4 √n
66.798664890323
5 √n
28.827980912257
1 , 2 , 13 , 26 , 373 , 746 , 2053 , 4106 , 4849 , 9698 , 26689 , 53378 , 765769 , 1531538 , 9954997 , 19909994
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19909993
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19909994 can be divided by 16 positive divisors.
The sum of these divisors (counting 19909994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111100110101101010
3
Ternary
1101110112101012
4
Quaternary
1023330311222
5
Quinary
20044104434
6
Senary
1550423522
8
Octal
113746552
10
Decimal
19909994
12
Duodecimal
6801ba2
16
Hexadecimal
12fcd6a
20
Vigesimal
648eje
36
Base36
buqne
md5
035568b6b0dcb947fdf3f8b694a7b992
sha1
33134c696e417614d10ab580af20e0d55f489c64
sha256
93f5629b918607c34f720b6ec5640d4c6e701a3e680e632a5fc57a416023e4b5
sha512
4e516f55cda49db2b7fc2d160bc450616c7cf59c2b61adc414f9a13e57a18eb8c3add732e25cc95be6e1f08504820f836ea952ca900a5ebe8a47095ff2174c5b
ripemd-160
0f0fe5c87ddddbc078e92994e79c1d9441873af4
Diameter
39819988
Circumference
125098181.76683
Area
1.2453520241943E+15
Volume
3.3059935106128E+22
Surface area
4.9814080967771E+15
Circumference
125098181.76683
Perimeter
79639976
Area
396407861080036
Diagonal
28156983.541567
Surface area
2378447166480216
Volume
7.8924781356563E+21
Space diagonal
34485121.186392
Perimeter
59729982
Area
1.7164963897758E+14
Altitude
17242560.593196
Surface area
1.7164963897758E+14
Volume
9.3013746834819E+20
Height
9385661.1805223